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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：NEPOC
- Mfr：CEL
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：300% @ 5mA
- Current Transfer Ratio (Max)：600% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.17V
- Current - DC Forward (If) (Max)：80 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The CEL PS2501L-1-E3-K-A is a single-channel transistor output optocoupler featuring an NPN silicon phototransistor and a GaAs infrared LED. It provides high isolation voltage of 5000 Vrms. The device supports a minimum current transfer ratio of 80% at 5 mA input, with a maximum rating of 600%. Key electrical parameters include a collector-emitter saturation voltage of 300 mV max, forward voltage of 1.4 V typical, and power dissipation of 150 mW. It operates within a temperature range of -55°C to +100°C.
Feature Summary
- High isolation voltage capability for safe signal transmission between isolated circuits
- Single-channel configuration integrating GaAs LED and NPN phototransistor
- Wide operating temperature range suitable for industrial environments
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loops
- Microcontroller interface circuits
Procurement Notes
Verify the specific suffix K-A against official datasheets to confirm package type and compliance status. Confirm availability as product status may be obsolete or limited. Ensure the supplier provides valid traceability documentation. Check RoHS compliance details directly from manufacturer resources before procurement.
Selection Notes
Select this component when high isolation voltage and reliable transistor output are required. Compare current transfer ratio specifications against circuit requirements. Verify package compatibility with PCB layout constraints. Consider thermal management needs based on power dissipation ratings in the final application environment.
Part Context
This part belongs to the PS2501L series of high isolation voltage optocouplers manufactured by CEL. The series includes variants with different packages and performance characteristics. These devices are designed for applications requiring robust electrical isolation between input and output sides.
Replacement Considerations
Check for direct pin-compatible substitutes from CEL or other manufacturers. Verify that replacement parts meet or exceed the 5000 Vrms isolation requirement. Ensure current transfer ratio and saturation voltage specifications match original design constraints.
